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The vector bosons production at the Large Hadron Collider makes it possible to investigate in detail the basic structure of electroweak interactions. Besides the LHC with a good accuracy will be measure production of weak bosons ($pp \to…

High Energy Physics - Phenomenology · Physics 2018-06-12 Azad I. Ahmadov

This Letter reports a measurement of the cross section for producing pairs of central prompt isolated photons in proton-antiproton collisions at a total energy of 1.96 TeV using data corresponding to 9.5/fb integrated luminosity collected…

High Energy Physics - Experiment · Physics 2013-03-25 CDF Collaboration

We analyzed the transverse momentum {\ppt} spectra of different particle species containing strange quark {\ks}, {\lam (\alam)} and {\xim ({\axi})} in different centrality intervals at mid-rapidity ($y$) from {\auau} collisions at…

High Energy Physics - Phenomenology · Physics 2022-09-07 M. U. Ashraf , Junaid Tariq , Sumaira Ikram , A. M. Khan

In this minireview article, we examine the inconsistent results of thermal parameters derived from various models in high-energy collisions. Through a comprehensive literature review and based on the average transverse momentum or the…

High Energy Physics - Phenomenology · Physics 2025-03-05 Ting-Ting Duan , Sahanaa Büriechin , Hai-Ling Lao , Fu-Hu Liu , Khusniddin K. Olimov

A detailed analysis is performed of transverse momentum spectra of several identified hadrons in high energy collisions within the framework of the statistical model of hadronisation. The effect of the decay chain following hadron…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Becattini , L. Bellucci , G. Passaleva

We analyze the transverse momentum ($p_T$) spectra, $1/N_{ev}$[(1/2$\pi$$p_T$) $d^2$$N$/$dyd$$p_T$], of kaon, proton, deuteron and triton in different centrality events in gold-gold (Au-Au) collisions at Relativistic Heavy Ion Collisions…

Nuclear Theory · Physics 2022-05-30 M. Waqas , G. -X. Peng , M. Ajaz , A. Haj Ismail , Z. Wazir , L. -L. Li

Collisions between electrically charged particles and neutral atoms are central for understanding the dynamics of neutral gases and plasmas in a variety of physical situaziones of terrestrial and astronomical interest. Specifically,…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 D. Vrinceanu , R. Onofrio , H. R. Sadeghpour

Photons are a penetrating probe of the hot medium formed in heavy-ion collisions, but they are emitted from all collision stages. At photon energies below 2-3 GeV, the measured photon spectra are approximately exponential and can be…

Nuclear Theory · Physics 2014-05-02 Chun Shen , Ulrich W. Heinz , Jean-Francois Paquet , Charles Gale

The collision cross sections (CCS), momentum transfer cross sections (MTCS), or scattering cross sections (SCS) of an electron neutral pair are important components for computing the electric conductivity of a plasma gas. Larger collision…

Plasma Physics · Physics 2023-10-18 Osama A. Marzouk

The shapes of invariant differential cross section for charged particle production as function of transverse momentum measured in heavy-ion collisions are analyzed. The data measured at RHIC and LHC are treated as function of energy density…

High Energy Physics - Phenomenology · Physics 2013-05-03 A. A. Bylinkin , A. A. Rostovtsev , N. S. Chernyavskaya

The transverse momentum distributions of J/{\psi}mesons produced in pp collisions at the center-of-mass energy 5 TeV, 7TeV, and 13 TeV are described by the modified Hagedorn function. The fitting results by the modified Hagedorn function…

High Energy Physics - Phenomenology · Physics 2023-06-06 Li-Na Gao , Er-Qin Wang

With the framework of the multi-source thermal model, we analyze the experimental transverse momentum spectra of various jets produced in different collisions at high energies. Two energy sources, a projectile participant quark and a target…

High Energy Physics - Phenomenology · Physics 2021-01-14 Yang-Ming Tai , Pei-Pin Yang , Fu-Hu Liu

In this letter, we present the first measurement of direct photons at the transverse momentum of $ 1 < p_{\rm T} < 6$ GeV/$c$ at midrapidity $|\eta| < 0.8$ in inelastic and high-multiplicity proton--proton collisions at a centre-of-mass…

High Energy Physics - Experiment · Physics 2025-06-27 ALICE Collaboration

Transverse momentum spectra of direct (prompt) photons from two-body processes in high-energy proton-proton (p+p) collisions are analyzed in this paper. We collected the experimental invariant cross-sections at mid-rapidity in p+p…

High Energy Physics - Phenomenology · Physics 2022-03-22 Qiang Zhang , Ya-Qin Gao , Fu-Hu Liu , Khusniddin K. Olimov

The ratio of transverse momentum distribution of thermal photons to dilepton has been evaluated. It is observed that this ratio reaches a plateau beyond a certain value of transverse momentum. We argue that this ratio can be used to…

Nuclear Theory · Physics 2009-02-03 Jajati K. Nayak , Jane Alam , Sourav Sarkar , Bikash Sinha

The differential cross sections \sigma_0=\sigma_T+\epsilon \sigma_L, \sigma_{LT}, and \sigma_{TT} of \pi^0 electroproduction from the proton were measured from threshold up to an additional center of mass energy of 40 MeV, at a value of the…

The time evolution of the quark gluon plasma created in gold-gold collisions of the Relativistic Heavy Ion Collider (RHIC) can be described by hydrodynamical models. Distribution of hadrons reflects the freeze-out state of the matter. To…

Nuclear Theory · Physics 2016-10-25 Mate Csanad , Imre Majer

The transverse momentum spectra of final-state light flavor particles produced in proton-proton (p-p), copper-copper (Cu-Cu), gold-gold (Au-Au), lead-lead (Pb-Pb), and proton-lead (p-Pb) collisions for different centralities at relativistic…

High Energy Physics - Phenomenology · Physics 2016-04-20 Hua-Rong Wei , Fu-Hu Liu , Roy A. Lacey

The production of low mass e+e- pairs for m_{e+e-} < 300 MeV/c^2 and 1 < p_T <5 GeV/c is measured in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV. Enhanced yield above hadronic sources is observed. Treating the excess as internal…

Nuclear Experiment · Physics 2010-05-12 The PHENIX Collaboration , A. Adare

The production of charged hadrons and K_s mesons in the collisions of quasi-real photons has been measured using the OPAL detector at LEP. The data were taken at e+e- centre-of-mass energies of 161 and 172 GeV. The differential…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , K. Ackerstaff et al